CN106559501B - Flat type industrial control method and system - Google Patents
Flat type industrial control method and system Download PDFInfo
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- CN106559501B CN106559501B CN201611152149.7A CN201611152149A CN106559501B CN 106559501 B CN106559501 B CN 106559501B CN 201611152149 A CN201611152149 A CN 201611152149A CN 106559501 B CN106559501 B CN 106559501B
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Abstract
The invention relates to a flat type industrial control method and system, which is used for reducing load of a traditional hierarchical framework, mainly comprising a communication layer and a cloud service layer, wherein the framework is used for separating data acquisition and logic control processing, complex logic processing units (such as PLC (programmable logic controller), DDC (distributed data center) and the like) are not deployed on site, all complex logic processing is carried out on a cloud, the construction is easy, the cost is moderate, the technical bottleneck is low, the performance is high, the maintenance is convenient, each enterprise has the capability of constructing own monitoring and control system, and the popularization of informatization and intellectualization in the industrial field is truly realized. The user can carry out modularized selection on cloud resources, namely, functional modules meeting the self requirements are checked, and a mobile central control system of the user is built. The mobile central control mode of modularization and resource service shortens the period of user development, new construction and project improvement, and the user selection is more flexible.
Description
Technical Field
The invention relates to the field of industrial control, in particular to a flat type industrial control method and a flat type industrial control system.
Background
Currently, the industry generally adopts a hierarchical (Hierarchy) network topology architecture, including: a device layer, an information layer, a control optimization layer, and a management decision layer, as shown in fig. 1. This structure is not a one-shot, but is a standardized structure formed by a long-term evolution history of the entire industrial control industry and computers. Although the hierarchical architecture realizes centralized and distributed information monitoring and control, and the original complicated and scattered manual control mode is upgraded into a centralized computer monitoring and manual decision mode, the huge hierarchical system still faces the problems of high construction and maintenance cost, high technical bottleneck, performance limitation, information island, poor expansibility and the like.
The traditional central control center machine room is built in a hierarchical mode, a site, software/hardware equipment, an SCADA/DCS software system and professional technical operators are needed, so that initial investment and daily maintenance are all required to be low, and after some enterprises build the central control center, the system is in an idle state for a long time, and the enterprise operation is not really well supervised, and the burden of the enterprise is definitely increased.
The prior art has high cost as follows: site controller (PLC/DDC) construction, central control center construction, software and hardware purchase, monitoring software configuration, redundant system configuration, professional technical team construction, daily operation and maintenance and the like; the technical bottlenecks include: the communication protocols of different manufacturers are independent, and the controller has limited computing capacity, poor stability and poor maintainability; the performance limitations are mainly: layer-to-layer communication efficiency limitations, reliability limitations, expansion limitations, and the like.
Meanwhile, the hierarchy is that signals are sent to a macroscopic top layer (management decision layer) layer by a microscopic bottom layer (equipment layer), and then operation instructions are sent to the bottom layer by the top layer. After the signals are collected and formed by the field devices at the bottom layer, each layer sent to the top layer needs to carry out data management and logic judgment. As hardware devices become more and more, the working frequency of the bottom layer becomes higher and higher, which means that local control and logic processing become more and more huge, and the magnitude of data converged at the top layer will also increase in geometric multiples. The characteristics of huge and complex hierarchical architecture are that the system is still built for large enterprises, but the system is often too much and insufficient for small and medium-sized enterprises.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a flat industrial control method and a flat industrial control system which are easy to construct, moderate in cost, low in technical bottleneck, high in performance and convenient to maintain.
The technical scheme of the invention is as follows:
a flat type industrial control method is provided with a communication layer and a cloud service layer, wherein the communication layer uploads data acquired by field devices to the cloud service layer, the cloud service layer is provided with modularized components with different functions, and the cloud service layer processes the data by requesting the specified modularized components according to a request and returns a processing result to the field devices.
Preferably, a user customizes a plurality of modularized components in a cloud service layer to form a mobile central control system for the user; interaction with the mobile central control system is performed through the remote device.
Preferably, when the communication layer cannot communicate with the cloud service layer, the data collected by the field device is temporarily stored in the communication layer until the communication layer and the cloud service layer realize communication.
Preferably, the communication layer and the cloud service layer are configured with private cloud and standby public cloud for users in a redundant mode, and when the private cloud fails, the communication layer and the cloud service layer are switched to the standby public cloud for data processing.
Preferably, the data stream of the configuration of the field device and the modularized component under the cloud service layer is received and displayed on the monitoring interface, and the configuration of each field device or the modularized component of one field device is independent.
Preferably, the field device configuration and point association are carried out on a monitoring interface, including the addition, deletion and modification of the monitored field device; or customizing the functional component for the field device and then performing monitoring configuration.
Preferably, an APC module is arranged in the cloud service layer, equipment optimization is realized through an APC control optimization algorithm, and the adjustment parameters are issued to the field equipment through the communication layer to control the field equipment.
Preferably, a local processing module connected with the communication layer is provided, and when the communication layer cannot communicate with the cloud service layer or the cloud service layer cannot work normally, data processing is performed through the local processing module.
The utility model provides a flat industrial control system, includes communication layer, cloud service layer, communication module is disposed to the communication layer, and cloud service layer deploys cloud platform, and the communication layer is connected with field device, sends the data that field device gathered to cloud service layer, and the data that cloud service layer sent is through communication layer to the field device.
Preferably, the cloud platform is provided with modularized components with different functions, including an APC module, an online configuration module, a performance analysis module, an HMI arrangement module, a data storage module, a data query module and a remote early warning module.
The beneficial effects of the invention are as follows:
the flat type industrial control method and system provided by the invention are used for reducing the burden of the traditional hierarchical framework, mainly only comprises two layers of a communication layer and a cloud service layer, the framework separates data acquisition and logic control processing, complex logic processing units (such as PLC (programmable logic controller), DDC (distributed data center) and the like) are not deployed on site, all complex logic processing is carried out on a cloud, the construction is easy, the cost is moderate, the technical bottleneck is low, the performance is high, the maintenance is convenient, each enterprise has the capability of constructing own monitoring and control system, and the popularization of informatization and intellectualization in the industrial field is truly realized.
According to the invention, the content to be constructed by the traditional central control center is moved to the cloud, cloud resources are not converted into products, but are recycled, and the original central control construction based on product sales and project implementation is converted into mobile central control construction based on cloud resources and service, so that users can reduce malignant competition environments among suppliers while the cost is reduced and the profit is obtained, and the win-win effect is achieved.
The user can carry out modularized matching on cloud resources, namely, functional modules meeting the self requirements are checked, and a mobile central control system of the user is built, so that original complicated basic building work is converted into a framework mode that the user directly selects the cloud resources, and cloud services can be directly obtained from any remote PC, mobile phone/Pad and other mobile terminals which are convenient to carry.
The mobile central control mode of the modularized and resource service shortens the period of user development, new construction and transformation projects, the user selection is more flexible, the final resource service also tends to be customized for enterprises, and the unnecessary and vacant functions are avoided, so that the technology and the fund resistance of the enterprises for implementing informatization and intelligent construction are greatly reduced, and the method is particularly suitable for small and medium-sized enterprises.
Drawings
FIG. 1 is a schematic diagram of a prior art hierarchical network topology;
fig. 2 is a schematic diagram of a flat network topology of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention provides a flat type industrial control method and a flat type industrial control system, which aim to solve the defects of long construction period, high cost and the like in the prior art, and as shown in fig. 2, the flat type industrial control system mainly consists of a communication layer and a cloud service layer, data acquired by field devices are not required to be sent to SCADA (supervisory control and data acquisition) through a data acquisition logic control module such as PLC (programmable logic controller) and DDC (distributed control) and the like, meanwhile, monitoring software such as SCADA and matched hardware equipment are not required to be arranged on the site, and control system facilities with high cost such as a field central control machine room and the like are not required to be built. The data collected by the field device is directly uploaded to the cloud service layer through the communication layer without any processing, and remote management, control, mining, analysis and the like of the data are executed by the modularized components of the functions of the cloud service layer in cooperation according to the requirements of users.
In the method, a communication layer and a cloud service layer are arranged, the communication layer uploads data acquired by field devices to the cloud service layer, the cloud service layer is provided with modularized components with different functions, and the cloud service layer processes the data by requesting the specified modularized components according to the request and returns a processing result to the field devices.
Based on the flat industrial control method, the invention correspondingly provides a flat industrial control system which comprises a communication layer, a cloud service layer, a communication module, a cloud service layer deployment cloud platform, a field device and a communication module, wherein the communication layer is connected with the field device and is used for sending data acquired by the field device to the cloud service layer, and the data sent by the cloud service layer is sent to the field device through the communication layer. In this embodiment, the communication module includes a wireless transceiver module, a relay module, and an intelligent IO module.
In the invention, a user customizes a plurality of modularized components in a cloud service layer to form a mobile central control system for the user; interaction with the mobile central control system is performed through the remote device. The mobile central control system arranges all logic control modules such as PLC/DDC and the like, monitoring software such as SCADA and the like and various background data mining/analysis software in the cloud service layer to form cloud resources, and a user can use the resources through a remote computer or a mobile terminal.
If a third party system such as an enterprise OA (office automation) system, an ERP (enterprise resource planning) system, a CRM (customer relationship management) system and the like want to integrate data of field devices, the third party system acquires the data acquired by the field devices through an open interface of a cloud service layer, that is, the cloud platform sets an open interface, and the third party system acquires the data acquired by the field devices through the open interface.
In this embodiment, the mobile central control system may complete functions such as APC (Advanced Process Control ) cloud online optimization control adjustment, HMI online configuration, remote warning and fault diagnosis, and other EMS and ERP, for example: on-line staff scheduling, duty, shift-over, scheduling, maintenance and visitor recording, thereby improving the working efficiency. Correspondingly, the cloud platform is provided with modularized components with different functions, and the modularized components comprise an APC module, an online configuration module, a performance analysis module, an HMI arrangement module, a data storage module, a data query module and a remote early warning module.
In industrial enterprises, most enterprises only realize informatization transformation, and intelligent industrial construction is not put into practice. In a sense, this is a process that is only monitored. And the APC optimization control is realized by combining a high-end identification and APC control optimization algorithm. The APC technology is adopted to replace manual tracking and optimizing for the user control system, and the adjustment parameters are timely fed back to the enterprise site through the cloud, so that equipment and the control system of the enterprise can work in a state with optimal performance and lowest energy consumption, and the intelligent operation flow not only reduces complicated manual operation and adjustment, but also reduces the requirements on the theoretical background of technicians.
In the invention, an APC module is arranged in the cloud service layer, equipment optimization is realized through an APC control optimization algorithm, and the adjustment parameters are issued to the field equipment through the communication layer to control the field equipment.
The mobile central control system can realize the functions of data acquisition and real-time monitoring, can diagnose whether the carbon emission and the energy consumption of a monitored object are reasonable, the emission reduction space is large, the service life of equipment is long, and the like through data analysis, and provides a specific solution for saving energy and reducing emission, thereby improving the production quality and the production efficiency of enterprises.
In the invention, a performance analysis module is arranged in the cloud service layer, and time domain/frequency domain analysis is carried out according to input/output signal data of the field device, so that a corresponding frequency response curve and accumulated energy spectrum are generated, and the performance of the field device is reflected. Specifically, the user performs time domain/frequency domain analysis on the target system by freely selecting the acquired input/output signal data of a specific device, and generates corresponding frequency response curves, accumulated energy spectrums and other information capable of reflecting the system performance. Particularly, according to the frequency domain analysis result, a user can clearly find whether a consumption reduction/emission reduction space exists in the system, the variation trend of the KPI value of the equipment, the service life of the equipment and the like. The performance analysis module can enable users to count the number of own systems, timely adjust and replace labor-saving equipment, optimize production flow and improve production efficiency and product quality.
And carrying out remote management and mining analysis on data acquired by the field device through an HMI human-machine interface, and timely adjusting a control strategy in the production process to early warn fault information. And when the early warning of the fault information reaches a preset level, sending alarm information to the reserved contact way. Meanwhile, the communication layer takes emergency protection measures, when the safety early warning is activated, the equipment end immediately executes the safety instruction, and the normal and continuous operation of the industrial field in a suboptimal state is ensured.
In the embodiment, the intelligent safety management and control system and the intelligent risk early warning system are integrated, a user can remotely manage and mine and analyze the data collected on site through an HMI human-machine interface, timely adjust the control strategy in the production process, early warn critical fault information in the industrial production process, and ensure the production safety and efficient operation of all industrial enterprises. Meanwhile, the platform provides a short message reminding function for the user, the user reserves contact information of the operating personnel in the platform, and after the fault alarm reaches the set requirement, the user can receive the alarm short message so as to ensure the most timely fault maintenance.
In the invention, the communication layer and the cloud service layer can receive and send signals through wireless or wired media, and a security disposal mechanism is arranged, so that the cloud security of data is improved, and the cloud security is realized through two directions of software and hardware.
If the data is in wireless communication, radio frequency transmission is carried out through a dynamic specific frequency band, the independent frequency band can resist interference of signals of other frequency bands, and the dynamic specific frequency band can prevent the signals from being analyzed, so that confidentiality of the signals is improved.
If the data is communicated by wire, the data is communicated by an industrial bus, including 485 and other field bus protocol communication. Compared with Ethernet/Internet, industrial bus communication can effectively prevent external attack, so that signal transmission is safer.
The transmitted data is encrypted to form a communication protocol standard for transmission, and the communication protocol standard can be distinguished from other communication protocols, so that the safety and confidentiality of data interaction are ensured.
In order to facilitate monitoring, the scattered real-time field conditions need to be reflected in a centralized and real manner to a central control monitoring picture, which is called configuration. Generally, enterprises can build monitoring pictures when buying industrial control configuration/SCADA software to perform configuration operation, and field point association is completed, so that communication between the field and the software is realized. Once the monitoring mode is entered, the operation of adding, deleting and changing the monitoring picture can not be performed, and the operation can not be performed unless the monitoring is stopped, and the configuration is performed again. The invention can realize on-line configuration, which comprises the following steps: on-line monitoring configuration and on-line function module configuration. Namely, under the condition of not interrupting normal monitoring, the monitoring configuration and the function module configuration are realized; the method comprises the steps of receiving data streams of the configuration of the field devices and the modularized components under the cloud service layer, and displaying the data streams on a monitoring interface, wherein the configuration of each field device or the modularized component of one field device is independent, so that the configuration and the point association of the field devices on the monitoring interface can be carried out, and the configuration comprises the addition, the deletion and the modification of the monitored field devices; or customizing the functional component for the field device and then performing monitoring configuration.
Specifically, the monitoring configuration refers to that the operations such as field device configuration, point association and the like are directly performed on a monitoring interface while normal monitoring is not interrupted, so that the operations such as adding, deleting, changing and the like of the monitoring device are realized on line, the working efficiency is greatly improved, and the monitoring device is easy to accept by a user.
The online function module configuration refers to that cloud resources in a cloud service layer are subjected to modularized operation, and when a universal modularized assembly cannot meet the current requirements of a user, the user can customize and select the modularized assembly with the required function at will when the cloud platform works normally. Meanwhile, the cloud platform provides an expansion module interface, and after the user needs to customize the modularized assembly to complete packaging, the modularized assembly can be connected to the cloud platform on line for the user to select.
The communication layer focuses on data acquisition, relay and temporary storage; the control/optimization logic process is not included, but in order to ensure continuous progress of service and communication, the communication layer is also provided with hardware redundancy/communication network redundancy.
In order to ensure complete uploading of data under any condition, the communication layer is provided with a temporary storage function, when the communication layer cannot communicate with the cloud service layer, such as when a network is interrupted or an emergency occurs, the data collected by the field device is temporarily stored in the communication layer until the communication layer and the cloud service layer realize communication, and the temporarily stored data is continuously sent to the cloud service layer. And a local processing module connected with the communication module is also arranged, and when the communication layer cannot communicate with the cloud service layer or the cloud service layer cannot work normally, the local processing module is used for processing data.
The cloud service layer redundancy configuration comprises private cloud and standby public cloud aiming at users, when the private cloud platform data processing/storage fails (typhoon weather, local power failure and the like) to interrupt transmission, the standby public cloud can temporarily take over data, switch to the standby public cloud to process the data, and ensure the continuity of the data.
The above examples are only for illustrating the present invention and are not to be construed as limiting the invention. Variations, modifications, etc. of the above-described embodiments are intended to fall within the scope of the claims of the present invention, as long as they are in accordance with the technical spirit of the present invention.
Claims (9)
1. The flat industrial control method is characterized in that a communication layer and a cloud service layer are arranged, the communication layer uploads data acquired by field devices to the cloud service layer, the cloud service layer is provided with modularized components with different functions, and a plurality of modularized components in the cloud service layer are customized by a user to form a mobile central control system for the user; interacting with a mobile central control system through field equipment; the data collected by the field device is directly uploaded to the cloud service layer by the communication layer without any processing, and remote management, control, excavation and analysis of the data are executed by the modularized components with all functions of the cloud service layer according to the requirements of users; and the cloud service layer processes data through the modularized component appointed by the request according to the request, and returns a processing result to the field device.
2. The flat type industrial control method according to claim 1, wherein when the communication layer cannot communicate with the cloud service layer, data collected by the field device is temporarily stored in the communication layer until the communication layer and the cloud service layer realize communication.
3. The flat type industrial control method according to claim 1, wherein a private cloud and a standby public cloud for a user are configured in a redundant manner between the communication layer and the cloud service layer, and when the private cloud fails, the communication layer is switched to the standby public cloud for data processing.
4. The flat-type industrial control method according to claim 1, wherein the data stream of the configuration of the field devices and the modularized components under the cloud service layer is received and displayed on the monitoring interface, and the configuration of the modularized components of each field device or one field device is independent from each other.
5. The flat type industrial control method according to claim 4, wherein the field device configuration and point association are performed on a monitoring interface, including addition, deletion and modification of the monitored field device; or customizing the functional component for the field device and then performing monitoring configuration.
6. The flat type industrial control method according to claim 1, wherein an APC module is arranged in the cloud service layer, equipment optimization is achieved through an APC control optimization algorithm, and adjustment parameters are issued to field equipment through the communication layer to control the field equipment.
7. The flat type industrial control method according to claim 1, wherein a local processing module connected with the communication layer is provided, and when the communication layer cannot communicate with the cloud service layer or the cloud service layer cannot work normally, data processing is performed through the local processing module.
8. The flat industrial control system is characterized by comprising a communication layer, a cloud service layer, a communication module, a cloud platform and a user-customized modularized components in the cloud service layer, wherein the communication layer deploys the communication module; the communication layer is connected with the field device through interaction between the field device and the mobile central control system, data acquired by the field device are sent to the cloud service layer, the data acquired by the field device are directly uploaded to the cloud service layer through the communication layer without any processing, remote management, control, excavation and analysis of the data are executed by the aid of modularized components with functions of the cloud service layer according to user requirements, and the data issued by the cloud service layer are sent to the field device through the communication layer.
9. The flat-type industrial control system of claim 8, wherein the cloud platform is provided with modularized components with different functions, and the modularized components comprise an APC module, an online configuration module, a performance analysis module, an HMI arrangement module, a data storage module, a data query module and a remote early warning module.
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| DE102017130517A1 (en) * | 2017-12-19 | 2019-06-19 | Endress+Hauser Process Solutions Ag | Fieldbus component with setting element for configuring data transmission to a cloud |
| CN108206861A (en) * | 2017-12-25 | 2018-06-26 | 厦门海为科技有限公司 | Networking operation method, apparatus and the configuration network system based on configuration network system |
| CN108259592A (en) * | 2018-01-11 | 2018-07-06 | 郑州云海信息技术有限公司 | A kind of implementation method and device of high in the clouds Industry Control |
| CN112213993A (en) * | 2019-07-11 | 2021-01-12 | 航天长征化学工程股份有限公司 | Control system and method based on cloud |
| CN112126908B (en) * | 2020-08-31 | 2023-02-03 | 佛山市博顿光电科技有限公司 | Coating control system and coating equipment |
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